About Renaud
French
Native or bilingual
English
Native or bilingual
Experience
- Renaud Guerin LtdInfrastructure & DevOps consultantCONSULTING AND AUDITSJune 2019 - Today (7 years)London, United KingdomAfter 3 years in my previous role, I took a few months' career break to focus on personal projects, while still taking some short-term contracts, for instance :Emergency AWS troubleshooting for a client whose service went down as their CTO was unavailable. I was able to restore functionality within hours with little context or documentation, and subsequently delivered a comprehensive audit of their AWS / Kubernetes infrastructure that resulted in major cost savings & improved security.
- Sphere ChatHead Of Infrastructure / Systems architectSOCIAL NETWORKSJuly 2016 - May 2019 (2 years and 10 months)London, United KingdomBuilt & ran the infrastructure at this VC-backed social search startup, first as a contractor then as an employee for a total of 3 years, eventually managing 2 people.I was also heavily involved in technology direction, systems design, architecture reviews, best practices, and mentoring.I took the platform from an AWS ElasticBeanStalk prototype to multi-cluster Kubernetes on Google Cloud, with NodeJS /Python / Go microservices, CloudSQL / Datastore / Redis storage, Websockets, Dataflow / BigQuery, CircleCI
- Renaud Guerin LtdSenior Cloud Infrastructure & DevOps consultantCONSULTING AND AUDITSJanuary 2016 - July 2016 (6 months)London, United KingdomContracting for startup clients. Example projects :- Planned & delivered a zero-downtime cloud migration + comprehensive IaC rebuild for a successful VC-backed dating app, within a few weeks. Went from ad-hoc servers on Digital Ocean to autoscaled, immutable infrastructure on AWS with Ansible / Packer. Introduced DevOps best practices, reduced costs and improved service reliability.- Built the PoC for a Docker-based Wordpress hosting solution for a web agency.
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Education
- Ingénieur, Génie des Systèmes d'InformationUTT2002
- DUT InformatiqueIUT de Reims1999